OS X: Fix alignment of "Copy" button in protocol #4207

.gitmodules

@@ -10,3 +10,6 @@
 [submodule "src/3rdparty/libcrashreporter-qt"]
 	path = src/3rdparty/libcrashreporter-qt
 	url = git://github.com/dschmidt/libcrashreporter-qt.git
+[submodule "src/3rdparty/qtkeychain"]
+	path = src/3rdparty/qtkeychain
+	url = https://github.com/frankosterfeld/qtkeychain.git

src/3rdparty/qtkeychain

@@ -0,0 +1 @@
+Subproject commit 08be0593e100a041585bcc704a1bbc5a812a1682

src/gui/protocolwidget.ui

@@ -57,7 +57,7 @@
      </column>
     </widget>
    </item>
-   <item row="2" column="1">
+   <item row="2" column="0" colspan="2">
     <widget class="QDialogButtonBox" name="_dialogButtonBox"/>
    </item>
   </layout>